509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Snow Helmet Size:M has a trail-specific cut

has a trail-specific cut

The system starts with our lightest base layer

100 gram Thinsulate insulation

The Ultravision visor also guarantees a 190° horizontal field of vision

509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Snow Helmet Size:M has a trail-specific cutEngineered with 40% larger chinbar intake and rear exhaust vents. All open vents, removed shutter for increased flow, plugs removed, more breathable for mountain riders. Combined with an ultralight ECE 3K Carbon layup this helmet is optimized for the most demanding off trail riders. FEATURES Hand lay up carbon fiber composite construction XS to 4X sizes available in three shells for optimal fit and minimal weight Upper vents for optimal airflow Go Pro